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编 号:F424682
分子式:C41H65N13O10
分子量:900.04
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生物活性:
Substance P(1-7) is a fragment of the neuropeptide, substance P (SP). Substance P(1-7) gives depressor and bradycardic effects when applied to the nucleus tractus solitarius.

体内研究:
Substance P (1-7) is found to act as a very potent antagonist against the SP-induced responses and is formed locally in the nigra after SP injection. It is proposed that Substance P (1-7) is an endogenous modulator of SP actions. Injection of low doses of Substance P (1-7) (1.0-4.0 pM simultaneously with SP or SP(5-11) (0.1 nM), reduce aversive behaviours induced by SP or SP(5- 11) significantly. These results indicate that SP(1-7) formed endogenously could modulate the actions of SP or SP(5-11) in the spinal cord.
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